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Finding the Fourth Proportional to 609,743.60, 914,712.60 and 254,574.80

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Solution

The fourth proportional to 609,743.60, 914,712.60 and 254,574.80 is: 381,902.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,743.60 : 914,712.60 = 254,574.80 : x
  2. Step 2: Convert to fraction form
    609,743.60/914,712.60 = 254,574.80/x
  3. Step 3: Cross multiply
    609,743.60x = 914,712.60 × 254,574.80
  4. Step 4: Simplify right side
    609,743.60x = 232,862,777,202.48
  5. Step 5: Solve for x
    x = 232,862,777,202.48/609,743.60
  6. Step 6: Final answer
    x = 381,902.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.